Public water system · NJ1406325
ActiveWest Main Associates
At a glance
West Main Associates (PWSID NJ1406325) is an active non-transient non-community water system in Morris County, New Jersey. It reports serving 574 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
574
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does West Main Associates compare with other water systems in Morris County?
By EPA's size categories, West Main Associates is a small system (501 to 3,300 people). Morris County has 302 active public water systems. Its population served is about 61% below the county average of 1,490 people per system, and accounts for 0.1% of the 449,898 people reported by systems filed under the county. Across New Jersey, the 3,496 active systems average 2,750 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so West Main Associates is about 34% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New Jersey has 637 active non-transient non-community water systems, 18% of the state's 3,496 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,313 New Jersey systems (95%) list groundwater as their primary source.
Who owns and regulates West Main Associates?
EPA lists West Main Associates as privately owned. The NJ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 228 of the 302 active systems in Morris County (75%) are also privately owned.
Does West Main Associates have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2022. The violations listed here began between October 2006 and January 2022. By type: 4 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2019-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
West Main Associates: frequently asked questions
Who runs West Main Associates?
West Main Associates (PWSID NJ1406325) is a non-transient non-community water system privately owned. It is regulated by the NJ state drinking water program.
How many people does West Main Associates serve?
West Main Associates reports serving 574 people through 2 service connections in Morris County, New Jersey.
Where does West Main Associates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does West Main Associates have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is West Main Associates' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find West Main Associates' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. West Main Associates is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Morris County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Southeast Morris County Mua | Morris | 62,349 | Community | Surface water |
| Parsippany-Troy Hills Water Department | Morris | 50,400 | Community | Purchased surface water |
| Dover Water Commission | Morris | 27,806 | Community | Groundwater |
| Montville Twp Mua | Morris | 22,000 | Community | Purchased surface water |
| Denville Twp Water Dept | Morris | 15,881 | Community | Groundwater |
| Madison Water Dept | Morris | 15,820 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “West Main Associates, PWSID NJ1406325, New Jersey”, https://aquacensus.com/water-systems/new-jersey/west-main-associates-nj1406325 (data as of October 1, 2026).